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2. 3-way lamp - Wikipedia

   en.wikipedia.org/wiki/3-way_lamp

   A 3-way lamp, also known as a tri-light, is a lamp that uses a 3-way light bulb to produce three levels of light in a low-medium-high configuration. A 3-way lamp requires a 3-way bulb and socket, and a 3-way switch. In 3-way incandescent light bulbs, each of the filaments operates at full voltage. Lamp bulbs with dual carbon filaments were ...

3. Mogul lamp - Wikipedia

   en.wikipedia.org/wiki/Mogul_lamp

   Compact fluorescent mogul-base bulbs are also available, as are adaptors to allow medium-base bulbs to be used in mogul sockets. There are usually two three-way switches near the top of the floor lamp to operate the bulbs. One controls the three-way center bulb, and the other turns on one, two, or all three (or four) of the peripheral bulbs.

4. Incandescent Lightbulb Regulations: What's True, What's Not - AOL

   www.aol.com/news/2013-01-31-incandescent-light...

   Some specialty bulbs are exempt, including appliance bulbs, heavy-duty bulbs, colored lights, three-way bulbs and others. The new energy efficiency standards apply to conventional pear-shaped, ...

5. Phase-out of incandescent light bulbs - Wikipedia

   en.wikipedia.org/wiki/Phase-out_of_incandescent...

   The Canadian federal government banned the import and sale of 75- and 100-watt incandescent bulbs, effective 1 January 2014. On 1 January 2015, 40- and 60-watt bulbs were also banned, although there are exceptions for oven lights, decorative lamps (light bulbs), appliance bulbs, 3-way fixtures, chandeliers and rough service/utility bulbs. [86]

6. The last American light bulb: GE stops making its ... - AOL

   www.aol.com/news/2010-09-30-the-last-american...

   His invention of the light bulb in 1876 marked the moment of GE's genesis. If you can Its founder was Thomas Edison, one of America's foremost thinkers, inventors, and tinkerers.

7. Garrett Morgan - Wikipedia

   en.wikipedia.org/wiki/Garrett_Morgan

   Garrett Augustus Morgan Sr. (March 4, 1877 – July 27, 1963) was an American inventor, businessman, and community leader.His most notable inventions were a type of three-way traffic light, [1] and a protective 'smoke hood' [2] notably used in a 1916 tunnel construction disaster rescue.